local variable 'original_transcript' referenced before assignment

app.py

@@ -404,7 +404,7 @@ def get_transcript_by_yt_api(video_id):
             print("===transcript===")
             print(yt_api_transcript)
 
-            transcript = ""
+            original_transcript = ""
             for entry in yt_api_transcript:
                 transcript_part = (f"{entry['start']:.0f}s: {entry['text']}")
                 print(transcript_part)
@@ -435,8 +435,7 @@ def generate_transcription_by_gemini(video_id):
     # 設定提示詞
     prompt = "給我包含時間軸的完整逐字稿，包含時間軸跟原文內容，一句話一行"
 
-    # 生成逐字稿
-    original_transcription = ""
+    original_transcription = ""  # 先初始化，避免 except referenced before assignment
     try:
         response = model.generate_content(
             contents=[video_part, prompt],
@@ -451,12 +450,10 @@ def generate_transcription_by_gemini(video_id):
 
         original_transcription = response.candidates[0].content.parts[0].text
         
-
         print("===original_transcription===")
         print(original_transcription)
         print("===original_transcription===")
 
-
         # 轉換成 JSON 格式
         transcript_json = convert_transcription_to_json(original_transcription)
         
@@ -660,7 +657,7 @@ def process_transcript_and_screenshots_on_gcs(video_id):
             transcript = get_transcript_by_yt_api(video_id)
             # transcript = generate_transcription_by_gemini(video_id)
         except Exception as e:
-            print(f"generate_transcription_by_gemini Error generating transcription: {str(e)}")
+            print(f" Error generating transcription: {str(e)}")
             transcript = generate_transcription_by_gemini(video_id)
             # transcript = generate_transcription_by_whisper(video_id)